A context-aware delayed agglomeration framework for electron microscopy segmentation.

A context-aware delayed agglomeration framework for electron microscopy segmentation.
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DOI:
10.1371/journal.pone.0125825
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发表时间:
2015
期刊:
影响因子:
3.7
通讯作者:
Scheffer L
Scheffer L
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Parag T;Chakraborty A;Plaza S;Scheffer L

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Electron Microscopy (EM) image (or volume) segmentation has become significantly important in recent years as an instrument for connectomics. This paper proposes a novel agglomerative framework for EM segmentation. In particular, given an over-segmented image or volume, we propose a novel framework for accurately clustering regions of the same neuron. Unlike existing agglomerative methods, the proposed context-aware algorithm divides superpixels (over-segmented regions) of different biological entities into different subsets and agglomerates them separately. In addition, this paper describes a “delayed” scheme for agglomerative clustering that postpones some of the merge decisions, pertaining to newly formed bodies, in order to generate a more confident boundary prediction. We report significant improvements attained by the proposed approach in segmentation accuracy over existing standard methods on 2D and 3D datasets.
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